gc80c521a CORERIVER Semiconductor, gc80c521a Datasheet - Page 76

• Manufacturer Part Number: gc80c521a
• Description: Flash / Isp / Iap 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

ADCENB0 (CEh) :
ADCENB1 (CFh) :
6.14. ADC (Block Diagram)
ADCENB0.7 ADCENB0.6 ADCENB0.5 ADCENB0.4 ADCENB0.3 ADCENB0.2 ADCENB0.1 ADCENB0.0
ADCENB1.7 ADCENB1.6 ADCENB1.5 ADCENB1.4 ADCENB1.3 ADCENB1.2 ADCENB1.1 ADCENB1.0
R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1)
R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1)
0 = ADC0 channel ON / 1 = ADC0 channel OFF (Default)
0 = ADC1 channel ON / 1 = ADC1 channel OFF (Default)
ADC0.0
ADC1.0
ADC2.0
ADC3.0
(P0.0)
(P1.0)
(P2.0)
(P3.0)
ADC Channel Enable Bar Register (P1 port)
ADC Channel Enable Bar Register (P0 port)
ADCENB0.0
ADCENB1.0
ADCENB2.0
ADCENB3.0
ADCSEL[4:0]
ADCS0~4
Analog
MUX
ADCON.7 ADCON.6
AD_EN
Control
Circuit
AD_REQ
(= V
D/A Converter
AV
DDIO
REF
)
V
SS
Analog
Comparator
ADCENB2 (D6h) :
ADCENB3 (D7h) :
ADCENB2.7 ADCENB2.6 ADCENB2.5 ADCENB2.4 ADCENB2.3 ADCENB2.2 ADCENB2.1 ADCENB2.0
ADCENB3.7 ADCENB3.6 ADCENB3.5 ADCENB3.4 ADCENB3.3 ADCENB3.2 ADCENB3.1 ADCENB3.0
R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1)
R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1)
ADSEL[7:5]
0 = ADC2 channel ON / 1 = ADC2 channel OFF (Default)
0 = ADC3 channel ON / 1 = ADC3 channel OFF (Default)
ADIV2
ADIV1
ADIV0
9
8
7
ADCR
System Clock
Approximation
6
Clock Divide
Successive
ADC Channel Enable Bar Register (P2 port)
ADC Channel Enable Bar Register (P3 port)
5
Register
4
MiDAS1.0B Family
F
3 2
SAR[9:0]
SAR[9:2]
ADC
ADCON
ADCON.5
ADCON.4
AD_END
ADCF
ADC Interrupt Flag
SAR[1:0]
1 0
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